GREEN SYNTHESIS AND CHARACTERIZATION OF SILVER NANO PARTICLES BY USING PSIDIUM GUAJAVA LEAF EXTRACT

SYNTHESIS OF SILVER NANO PARTICLES

Authors

  • Pagadala R Sougandhi Research Scholars, Department of Chemistry, Dravidian University, Kuppam, Chittoor (DT), A.P., India
  • Mekala. Reddeppa Research Scholars, Department of Chemistry, Dravidian University, Kuppam, Chittoor (DT), A.P., India
  • Sapara Sekhar Harini Research Scholars, Department of Chemistry, Dravidian University, Kuppam, Chittoor (DT), A.P., India
  • DR SHOBHA RANI TENKAYALA Research Supervisor, Department of Chemistry, Dravidian University, Kuppam, Chittoor (DT), A.P., India.
  • R. Gangadhara Research & Development Center, Jawaharlal Nehru Technological University, Ananthapuramu, Anantapur (DT), A.P., India.

Abstract

In this study, rapid, simple approach was applied for synthesis of silver nanoparticles by using Psidium guajava aqueous leaf extract. The plant extract acts as both reducing agent and capping agent. The green synthesized silver nanoparticles were characterized by using physic-chemical techniques viz, UV-Visible spectroscopy, Fourier Transform Infrared Spectrophotometer [FTIR], Particle size analyser and Scanning electron microscopy. UV-Visible spectrophotometer showed absorbance peak in the range of 419nm.The compounds responsible for silver ions and the functional groups present in plant extract were identified and investigated by FTIR technique. The characterization data reveals that the particles were in crystalline in nature with an average size of 62nm. The silver nanoparticles (Ag NPs) were rapidly synthesized using aqueous extract of guava leaf with AgNO3 solution within 15min at room temperature, without the involvement of any hazardous chemicals.

Keywords: Nano particles, green synthesis, Silver,  Psidium guajava and reducing agents.

DOI

https://doi.org/10.22270/jddt.v8i5-s.2025

Author Biographies

Pagadala R Sougandhi, Research Scholars, Department of Chemistry, Dravidian University, Kuppam, Chittoor (DT), A.P., India

Research Scholars, Department of Chemistry, Dravidian University, Kuppam, Chittoor (DT), A.P., India

Mekala. Reddeppa, Research Scholars, Department of Chemistry, Dravidian University, Kuppam, Chittoor (DT), A.P., India

Research Scholars, Department of Chemistry, Dravidian University, Kuppam, Chittoor (DT), A.P., India

Sapara Sekhar Harini, Research Scholars, Department of Chemistry, Dravidian University, Kuppam, Chittoor (DT), A.P., India

Research Scholars, Department of Chemistry, Dravidian University, Kuppam, Chittoor (DT), A.P., India

DR SHOBHA RANI TENKAYALA, Research Supervisor, Department of Chemistry, Dravidian University, Kuppam, Chittoor (DT), A.P., India.

Research Supervisor, Department of Chemistry, Dravidian University, Kuppam, Chittoor (DT), A.P., India.

R. Gangadhara, Research & Development Center, Jawaharlal Nehru Technological University, Ananthapuramu, Anantapur (DT), A.P., India.

Research & Development Center, Jawaharlal Nehru Technological University,

Ananthapuramu, Anantapur (DT), A.P., India.

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Published

2018-10-01
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How to Cite

1.
Sougandhi PR, Reddeppa M, Harini SS, TENKAYALA DSR, Gangadhara R. GREEN SYNTHESIS AND CHARACTERIZATION OF SILVER NANO PARTICLES BY USING PSIDIUM GUAJAVA LEAF EXTRACT: SYNTHESIS OF SILVER NANO PARTICLES. J. Drug Delivery Ther. [Internet]. 2018 Oct. 1 [cited 2026 Jan. 27];8(5-s):301-5. Available from: https://jddtonline.info/index.php/jddt/article/view/2025

Issue

Vol. 8 No. 5-s (2018)

Section

Research

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How to Cite

1.
Sougandhi PR, Reddeppa M, Harini SS, TENKAYALA DSR, Gangadhara R. GREEN SYNTHESIS AND CHARACTERIZATION OF SILVER NANO PARTICLES BY USING PSIDIUM GUAJAVA LEAF EXTRACT: SYNTHESIS OF SILVER NANO PARTICLES. J. Drug Delivery Ther. [Internet]. 2018 Oct. 1 [cited 2026 Jan. 27];8(5-s):301-5. Available from: https://jddtonline.info/index.php/jddt/article/view/2025
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